(iCC, ANTISKI'TIC TiiEATMENT OF TIMUKi:. 



snags, the bark left uninjured and the injecting process applied 

 as soon as possible. If the base of a log has dried it should be 

 again freshly cut before being injected. Logs kept in water for 

 a long time preserve the faculty of being injected. 



[The free ends of the logs are tested, either by tlieir colour, or 

 by a chemical test to ascertain when the injection is suthcient.— Tr.] 



Fk;. 297. 



In order to inject logs satisfactorily by Boucherie's process, a 

 long time (up to 70 hours) and a large timber-yard are required. 

 The injected logs are dried slowly and as thoroughly as possible, 

 they are then barked and converted. 



When freshly felled stems are injected the bark must be com- 

 pletely preserved, or the injecting liquid will escape. If, however, 

 they have been kept for about three months, the preservation of 



